Which of the following most accurately describes the renal transport of sodium ion?

Question

Quizplus · Accepted Answer

Sodium ion is actively transported in the proximal tubule by primary active transport, which creates a concentration gradient for sodium to diffuse into the distal segments of the tubule. This gradient is used in secondary active transport to move glucose and hydrogen ions in the proximal tubule. Most of the sodium reabsorption occurs in the proximal tubule, with some additional reabsorption occurring in the loop of Henle and distal convoluted tubule. The collecting ducts are primarily responsible for regulating water balance rather than sodium transport.

Which of the Following Most Accurately Describes the Renal Transport